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Immunostaining and Prevention of Naegleria fowleri Infections

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Immunostaining and Prevention of Naegleria fowleri Infections

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Questions and Answers

What type of organisms are amebas?

Viruses

Unicellular organisms (correct)

Multicellular organisms

Bacteria

How are clinically relevant amebas classified based on the location of their infections?

Based on their movement

Based on the location of their infections (correct)

Based on their size

Based on the color of their cysts

What distinguishes amebas from other unicellular Protozoa?

Their color

Their method of movement (correct)

Their size

Their shape

What is present in Entamoeba histolytica cysts?

Pseudopods Signup and view all the answers

What is the focus of Module III regarding amebas?

Diagnosis and treatment Signup and view all the answers

What will the students be tasked to do as an activity in the module?

Watch a documentary Signup and view all the answers

What is the main molecular method used for diagnosing Acanthamoeba species?

PCR Signup and view all the answers

Which of the following is a characteristic feature of Acanthamoeba trophozoites when viewed under phase-contrast microscopy?

Prominent 'thorn-like' appendages (acanthopodia) Signup and view all the answers

What is a characteristic feature of Acanthamoeba cyst stage which contributes to its high resistance?

Single large nucleus Signup and view all the answers

Which of the following is a portal of entry for Acanthamoeba infection?

Break in the skin Signup and view all the answers

What is a common clinical manifestation of Acanthamoeba Keratitis?

Severe ocular pain and blurring of vision Signup and view all the answers

Why is the diagnosis of Granulomatous Amoebic Encephalitis (GAE) often missed?

Rarity of the disease and unfamiliarity with the pathogen Signup and view all the answers

How do trophozoites of Naegleria fowleri infect humans or animals?

By penetrating the nasal mucosa and migrating to the brain via olfactory nerves Signup and view all the answers

Which treatment is mentioned for Naegleria fowleri infection?

Amphotericin B in combination with clotrimazole Signup and view all the answers

What is an appropriate method for preventing Naegleria fowleri infection in endemic areas?

Avoiding immersion of the head and accidental inhalation of water Signup and view all the answers

In which fluid are trophozoites of Naegleria fowleri occasionally found?

Cerebrospinal fluid (CSF) Signup and view all the answers

How can Naegleria fowleri be effectively killed in swimming water?

Using 1 ppm or higher concentration of chlorination Signup and view all the answers

Which process do Naegleria fowleri trophozoites use to replicate?

$ ext{Promitosis}$ Signup and view all the answers